NVIDIA GeForce RTX 4070 GPU rumored to boost over 2.8 GHz offering the same compute power as RTX 3090 Ti

Published: 10th Aug 2022, 07:30 GMT   Comments

Please note that this post is tagged as a rumor.

NVIDIA RTX 4070 clock speeds to be higher than RTX 4090

The RTX 40 series are going through the last stage of development, which also means changes to the specs.

Following a major spec update for RTX 4070 SKU, which increased CUDA core spec to 7680 and memory to 12GB capacity, there is also an update to the clock speeds. First we’ve learned the memory speed is not 18 Gbps, which would imply GDDR6 memory, but 21 Gbps which is GDDR6X spec. Higher capacity and higher memory means a significant increase in bandwidth compared to old specs, which is now at 504 GB/s.

Today hardware leaker Kopite7kimi clarifies the situation for the GPU clocks. The same leaker already revealed the full specs for the RTX 4090 flagship Ada GPU, therefore we can now compare two models from the new series. Overall, the GPU clock is 70 to 90 MHz higher than the 450W model. The RTX 4070 reportedly has a base clock of 2310 MHz and a boost of 2610 MHz. Since NVIDIA’s official boost clock is always lower than real-world clock, Kopite also confirms that the maximum boost should exceed 2.8 GHz.

Long story short, we are looking at a major clock speed update for RTX 40 series. The RTX 3070 had 700-900 MHz lower clocks. Higher clocks in combination with more cores will enable 40 TFLOPS of compute power (based on official boost clock figure). That’s 2x the compute power of RTX 3070, or alternatively the same compute power as RTX 3090 Ti (40 TFLOPS).

The RTX 4070 appears to be designed to offer half the performance and half the memory of the RTX 4090 SKU. The only thing not scaling the same way is the power consumption. The RTX 4070 has a rumored total board of 285W, an increase by 45W over RTX 3070. Do note that’s not TDP, but a board limit.

While all high-end RTX 40 cards are to be announced at the same time, one should expect RTX 4070 to launch after RTX 4090 and RTX 4080 so most likely in the middle of the fourth quarter this year.

RUMORED NVIDIA GeForce RTX 40 Series Specs
VideoCardz.comGeForce RTX 4090GeForce RTX 4080GeForce RTX 4070GeForce RTX 3070
ArchitectureAda (TSMC N4)Ada (TSMC N4)Ada (TSMC N4)Ampere (Samsung 8nm)
GPUAD102-300AD103-300AD104-400 (?)GA104-300
Board NumberPG139-SKU330PG136/139-SKU360PG141-SKU331PG142-SKU10
SMs
 
128
 
76
 
60
 
46
CUDA Cores
 
16384
 
9728
 
7680
 
5888
Base Clock
 
2235 MHz
TBC
 
2310 MHz
 
1500 MHz
Boost Clock
 
2520 MHz
TBC
 
2610 MHz
 
1750 MHz
Max Boost
 
~2750 MHz
TBC
 
~2800 MHz
 
~1890 MHz
FP32 Compute (Boost)
 
83 TFLOPs
TBC
 
40 TFLOPs
 
20 TFLOPs
Memory
 
24 GB G6X
 
16 GB G6X
 
12GB G6X
 
8GB G6
Memory Bus
 
384-bit
 
256-bit
 
192-bit
 
256-bit
Memory Speed
 
21 Gbps
 
21 Gbps
 
21 Gbps
 
14 Gbps
Bandwidth
 
1008 GB/s
 
676 GB/s
 
504 GB/s
 
448 GB/s
TGP
 
~450W
 
320W
 
285W
 
240W
3DMark TimeSpy Extreme
 
~19,000
 
~15,000
 
~11,000
 
~6,850
Launch DateOctober 2022TBCTBCOct 29th 2020

Source: @Kopite7kimi




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